6-MONTH INTERNSHIP - Starting January 2027 - Process Engineering - Master's ½ - €1700/month

About the company

Life is too short for a boring career! At L'Oréal Groupe , work doesn't mute you, it amplifies you. We believe your career should give you the same thrill, drive and fulfillment as your personal interests. Here, creativity drives innovation and ideas become impact. Grow across brands, markets, and divisions, and take your career in any direction you choose. With the global scale of L'Oréal, your growth knows no boundaries.Why join L'Oréal? 88% of our interns are proud to work at L'Oréal. 87% recommend L'Oréal for an internship. (Internal Satisfaction Survey - June 2026)Ready for an experience that makes a difference?Your missions As a member of the Process & Pilot Expertise team (DGO), within a dynamic team of engineers, you will contribute to the industrialization and optimization of L'Oréal manufacturing processes (make-up, hair color or hygiene). Your main responsibilities will include:

Your tasks

Development and optimization: study existing processes and propose improvements in quality, robustness and performance.

Experimentation: run lab- and workshop-scale trials with all associated controls, and design experiments (DOE) to understand process levers.

Scale-up and industrialization: run pilot batches, analyze gains and take part in the scale-up at plant level (from a few dozen kilos to industrial pilot scale of several tons).

Project management:

• lead cross-functional process improvement projects (quality, safety, sustainability, agility, performance)
• working with varied stakeholders (R&I, Operational Development, plants, Global Manufacturing)